Drill Collars

Drill collars add weight to the drill bit and ensure optimal drilling performance. Designed to provide stiffness and maintain trajectory control.

Standard : API SPEC 7-1
Material : AISI 4145H
Sizes : 3 1/8″ - 11″
Connections : NC, IF, REG
Length : 30 - 31 ft ± 6 ft
Design Options :

Plain
Elevator recess
Elevator recess with power slips
Spiral design